Ruppel, G. L. 1., & Ruppel, G. L. 1. (1991). Manual of pulmonary function testing (5. edition.). St Louis: Mosby Year Book.
Chicago Style CitationRuppel, Gregg L. 1948-, and Gregg L. 1948- Ruppel. Manual of Pulmonary Function Testing. 5. edition. St Louis: Mosby Year Book, 1991.
MLA CitationRuppel, Gregg L. 1948-, and Gregg L. 1948- Ruppel. Manual of Pulmonary Function Testing. 5. edition. St Louis: Mosby Year Book, 1991.
Warning: These citations may not always be 100% accurate.